1.
Which of these cannot store electricity?
a.
a battery.
b.
a capacitor.
c.
a coil.
2.
Which of these can be used to block DC direct current?
a.
a battery.
b.
a capacitor.
c.
a coil.
3.
Which of these can block current flow?
a.
a bend wire.
b.
a closed curcuit.
c.
an open curcuit.
4.
The smell of a burnt wire usually means you have a . .?
a.
closed curcuit.
b.
a clogged curcuit .
c.
an open curcuit.
5.
Capacitance is proportion to all but one of these?
a.
the frequency.
b.
plate size.
c.
the input voltage.
6.
Capacitance Reaction or Impedance is indirectly proportion to which of these?
a.
these input voltage frequency.
b.
the capacitance.
c.
both of these.
7. Can the jolt from a capacitor kill you?
a.
naw!!.
b.
maybe.
c.
definitely.
8.
When you unplug a curcuit the capacitance falls to zero quickly?
a.
no.
b.
yes.
c.
if you click it on and off 3 times.
9.
Transistor were made to do what?
a.
make curcuit more simpler.
b.
to amplify smal signals.
c.
both of these.
10.
Which of these has a coil in it?
a.
lawn mower.
b.
chain saw.
c.
both of these.